As a lurker rather than a contributor I don't speak up much but this thread
has brought back many fond memories. :-)
You just described our back porch when I was a child.... My stepdad used to
have what looked like a darkroom studio with various "pans" for etching and
rinsing, along with stacks of blanks and sharpies... I was fascinated...
Except for the smell... I remember not being too fond of that... I think
shortly thereafter I got my first "101 electronics experiments" kits....
there were some 8 track tapes and leaded gas in the family car at time too
:-) Sorry to ramble but very fond memories (especially for a little girl in
what sure seemed at the time to be a mans world...) Thanks for helping me
indulge in a pleasant trip through the way-back machine. :-)
Thanks,
Dharma
KAW/USA Ltd.
39 Simon Street, #4
Nashua, NH 03060
603-886-8711 x212
603-881-8763 fax
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-----Original Message-----
From: Ian Hanna [mailto:[log in to unmask]]
Sent: Friday, May 14, 2010 10:14 AM
To: [log in to unmask]
Subject: Re: [TN] Hobbyist PCB Fab Equipment
I used to use sharpie for etch-resist and ferric chloride over radio-shack
fr-4 blanks...i was also using leaded gas and 8-track tapes at the time I
think...but its a great way to see boards happen for hobby applications. I
used pass-through wires instead of plated through holes, but eyelets are
more professional. You can get some pretty complex stuff down this way
easier and cleaner than breadboards...and just plain cool.
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Toby Carrier
Sent: Friday, May 14, 2010 9:54 AM
To: [log in to unmask]
Subject: Re: [TN] Hobbyist PCB Fab Equipment
John,
I am not based in California, I am in Kentucky. I would be dealing with
line/spacing of about 10mils. I am just wanting to make small to medium
sized boards for hobbyist projects. Most of the boards would be single
sided, maybe a few double sided.
I had read about heating up the ferric acid to make the etching process
faster, but after just coming out of a chemistry class, I didn't like the
approach!!! If it takes 30mins, then it will have to take 30mins, I can
wait!!!
I have used a couple of previous mentioned board houses, but it cost more
money after tooling costs to than it would have just to get a setup for
making small boards at home. But, if I do decide to make it a professional
grade board, then I will fork out the money and have it fabricated
elsewhere.
Thanks for all the info.
Toby
On Thu, May 13, 2010 at 10:47 PM, John Burke <[log in to unmask]> wrote:
> Toby I am praying you are not based in California.....8-)
>
> I have made boards this way using ferric chloride but that was nearly
35
> years ago - it can be very health hazardous if approached incorrectly
to
> give an example I knew a guy who read it would be better with hotter
ferric
> chloride so he put it on the stove, he had to buy his wife a new stove
> after the first couple of months as the old one "corroded in place".
>
> You have not stated what line/space you will be using as you might get
some
> better direction with this information.
>
> I think everyone on the link has taken it as given that these boards
are
> either single or double sided........8-)
>
> Strongly suggest that you price out your projects with some of the
proto
> shops that others on the link have mentioned unless of course you are
doing
> this for fun?...and do bear in mind with surface mount you may do
better
> with those shops unless you intend setting up printing solder resist
> yourself?
>
> Best regards,
>
> John
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Toby Carrier
> Sent: Thursday, May 13, 2010 10:06 AM
> To: [log in to unmask]
> Subject: [TN] Hobbyist PCB Fab Equipment
>
> Hello all,
>
> I want to start making PCB's at home for prototyping small to medium
> projects, but I have a few questions about materials, kits and
equipment:
>
> 1. What is the best kit to buy?
> 2. What equipment do I need?
> 3. Where is the best place to get the equipment and/or kits?
> 4. What safety hazards do I need to worry about?
>
> I will be dealing with through-hole and surface mount parts.
>
> Thanks for the help.
>
> Toby Carrier
>
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